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Finding the Fourth Proportional to 22,574.73, 33,623.74 and 21,389.30

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Solution

The fourth proportional to 22,574.73, 33,623.74 and 21,389.30 is: 31,858.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,574.73 : 33,623.74 = 21,389.30 : x
  2. Step 2: Convert to fraction form
    22,574.73/33,623.74 = 21,389.30/x
  3. Step 3: Cross multiply
    22,574.73x = 33,623.74 × 21,389.30
  4. Step 4: Simplify right side
    22,574.73x = 719,188,261.98
  5. Step 5: Solve for x
    x = 719,188,261.98/22,574.73
  6. Step 6: Final answer
    x = 31,858.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.